This application has been downloaded and installed by over 0,5M users and its latest update is dated Nov 23, 2016. Some in-app purchases and advertisements are included into the app. Take the opportunity to get the .apk setup package of Folder And File Locker 1.0 free of charge and read users' reviews on Droid Informer. The installer requires 3 MB of disk space and it runs on Android devices 3.0 and higher.
According to the users’ comments, the considerable advantage of the app is good performance, however, some people think that this application has such a drawback as too many ads.